Given a compound with the constitution $C_4{H}_8$ that contains two double bonds (i.e., a diene), how many stereoisomers are possible for this compound?

For the compound 1-ethyl-3-isopropylcyclopentane

(c) What is the stereochemical relationship between trans isomers?

For each of the following molecules, draw one 3-D representation at only the necessary atoms (that is, the ones with four different atoms/groups attached).

(a)

For each of the following molecules, draw one 3-D representation at only the necessary atoms (that is, the ones with four different atoms/groups attached).

(b)

Which of the following describes stereoisomers?

Compound 1 has two chiral centers and no plane of symmetry. How many stereoisomers of compound 1 exist?

Given a molecule with three chiral centers and no internal plane of symmetry, what is the maximum number of stereoisomers possible for this molecule ($2^{\mathrm{n}}$ where $n$ is the number of chiral centers)?

Which of the following compounds can have stereoisomers?

Which of the following pairs of compounds represent the same stereoisomer?